This is the O.S. Max Two-Stroke 1.20AX Ringed Engine without Muffler. Distance Between Mounting Holes Same Side: 0.98 (25mm) Distance Between Mounting Holes Opp...More

This is the O.S. Max Two-Stroke 1.20AX Ringed Engine without Muffler. Distance Between Mounting Holes Same Side: 0.98 (25mm) Distance Between Mounting Holes Opposite Side: 2.3 (58mm) Distance Center of Crankcase to End of Crankshaft: 4.3 (109.5mm) Distance Center of Crankcase to Drive Hub: 2.7 (69.8mm) Width Between Mounting Tabs: 2.6 (67mm) Width of Crankcase Below Mounting Tabs: 1.8 (46.5) Length from Backplate to End of Crankshaft: 5.5 (139.9mm) Length from Backplate to Drive Hub: 3.9 (100.2mm) Height/Bottom of Crankcase to Top of Cylinder Head: 4.3 (109.2mm) Height/Bottom of Mounting Tabs/Top of Cylinder Head: 3.4 (85.7mm) Needle Settings: High Speed: 2 - 2.5 turns out from fully closed Low Speed: 3/4 turn out from fully closed with the throttle fully closed COMMENTS: For version with muffler, order OSMG0650. jxs 10/25/05 Updated JBM 12-20-05 Updated JBM 3-7-06 ir/jxs updt lmm 3/31/09Less